Andras Beni created KAFKA-7631: ---------------------------------- Summary: NullPointerException when SCRAM is allowed bu ScramLoginModule is not in broker's jaas.conf Key: KAFKA-7631 URL: https://issues.apache.org/jira/browse/KAFKA-7631 Project: Kafka Issue Type: Improvement Components: security Affects Versions: 2.0.0 Reporter: Andras Beni
When user wants to use delegation tokens and lists {{SCRAM}} in {{sasl.enabled.mechanisms}}, but does not add {{ScramLoginModule}} to broker's JAAS configuration, a null pointer exception is thrown on broker side and the connection is closed. Meaningful error message should be logged and sent back to the client. {code} java.lang.NullPointerException at org.apache.kafka.common.security.authenticator.SaslServerAuthenticator.handleSaslToken(SaslServerAuthenticator.java:376) at org.apache.kafka.common.security.authenticator.SaslServerAuthenticator.authenticate(SaslServerAuthenticator.java:262) at org.apache.kafka.common.network.KafkaChannel.prepare(KafkaChannel.java:127) at org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:489) at org.apache.kafka.common.network.Selector.poll(Selector.java:427) at kafka.network.Processor.poll(SocketServer.scala:679) at kafka.network.Processor.run(SocketServer.scala:584) at java.lang.Thread.run(Thread.java:748) {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)